Change priorityQueue to max priorityqueue?

I have priority queue in Java of Integers: PriorityQueue<Integer> pq= new PriorityQueue<Integer>(); ...

Implements vs extends: When to use? What's the difference??

Please explain in an easy to understand language or a link to some article. ...

Variable length (Dynamic) Arrays in Java?

I was wondering how to initialise an integer array such that it's size and values change through out the execution o...

Java texture png modificaiton?

I'm trying to make a simple java game. I have some png file that i want to draw, but first i want to make some modif...

The parent project must have a packaging type of POM?

I am trying to create a new maven module. Parent project is a Web Service and has pom.xml. How can I fix this erro...

expand and collapse icons?

As you can see from the images below the expand and collapse icons are gray, as is the row selection highlight. This...

Convert a 2D array index into a 1D index?

I have two arrays for a chess variant I am coding in java...I have a console version so far which represents the boa...

How to compare character ignoring case in primitive types?

I am writing these lines of code: String name1 = fname.getText().toString(); String name2 = sname.getText().toStrin...

Can I use implements and extends at the same time??

Can i use the implements and the extends at the same time? Because I need to inherit something on the other class wh...

Is there a difference between x++ and ++x in java??

Is there a difference between ++x and x++ in java? ...

Java - tree data structure with multiple nodes - how to search efficiently?

I am searching for a implementation/data structure for some categories and child categories that i have. I am think...

Understanding a small UML representation of interfaces, class and inheritance??

I need to implement this UML in code. Can someone help me understand 2 questions about this UML representation? This...